robertson and thomas niles



finned $13M N. r. r. ROBERTSON AND THOMAS YNII'IES, or FAIRBURY, ILLINOIS.

Letters Patent No. 97,555, dated December 7, 18.69.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Be it known that we, N. '1. P. Roesn'rsos and THOMAS NILES, of Fairbury, in the county of Livingston, in the State of Illinois, have invented an Insect- Destroying and Tree-Irwigorating Compound, for increasing the growth of fruit and ornamental trees, and destroying borers, caterpillars, canker-worms, tree-lice, and all insects and vermin that infest the bark, roots, or buds of the same.

Application.

Description.

Four and one-half drachms submuri'ate of mercury;

One draohin burnt umber;

One drachm red lead;

Two and one-half scruples chrome-yellow;

- 'len grains Prussian blue; and

Four fluid ounces raw linseed-oil.

Having thus fully described our invention,

What we claim as new, anddesire to secure by Let ters Patent, isv A compound, composed of the above-named articles, in or about the proportions specified, and used for the purposes herein set forth and described.

N. 'l. P. ROBERTSON.

Witnesses: THOMAS NILES.

JOHN RICE, WILLIAM CARPENTER. 

